#include <LiquidCrystal_I2C.h>
#include <DHT.h>
#include <WiFi.h>

#define DHT_INSIDE_PIN 2
#define DHT_INSIDE_TYPE DHT22

DHT dht_inside(DHT_INSIDE_PIN, DHT_INSIDE_TYPE);

#define DHT_OUTSIDE_PIN 4
#define DHT_OUTSIDE_TYPE DHT22

DHT dht_outside(DHT_OUTSIDE_PIN, DHT_OUTSIDE_TYPE);

LiquidCrystal_I2C lcd(0x27,16,2);

#define heat 5
#define cooling_system 18

void setup() {
  pinMode(heat, OUTPUT);
  pinMode(cooling_system, OUTPUT);
  dht_inside.begin();
  dht_outside.begin();
  lcd.init();
  lcd.clear();         
  lcd.backlight();
  lcd.setCursor(0,0);
  lcd.print("WiFi");
  WiFi.begin("Wokwi-GUEST", "", 6);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    lcd.print(".");
  }
  lcd.clear();
  lcd.print("Connected");
  delay(2000);
  lcd.clear();
  lcd.setCursor(2,0);
  lcd.print("Incubator");
  lcd.setCursor(2,1);
  lcd.print("is Ready!");
  delay(2000);
  lcd.clear();
}

void loop() {
  float h_in = dht_inside.readHumidity();
  float t_in = dht_inside.readTemperature();
  float h_out = dht_outside.readHumidity();
  float t_out = dht_outside.readTemperature();
  while (isnan(h_in) || isnan(t_in)||isnan(h_out) || isnan(t_out)) {
    lcd.clear();
    delay(500);
    lcd.setCursor(0, 0);
    lcd.print("sensor error!");
    delay(1000);
  }
  lcd.setCursor(0,0);
  lcd.print("In H:");
  lcd.print(h_in, 0);
  lcd.print("%");
  lcd.print(" t:");
  lcd.print(t_in, 1);
  lcd.print("C");
  lcd.setCursor(0,1);
  lcd.print("Ex H:");
  lcd.print(h_out, 0);
  lcd.print("%");
  lcd.print(" t:");
  lcd.print(t_out, 1);
  lcd.print("C");
  delay(500);
  if(t_in < 36) digitalWrite(heat, HIGH);
  else if (t_in > 37) digitalWrite(heat, LOW);
  if(t_in > 38) digitalWrite(cooling_system, HIGH);
  else if(t_in <= 37.8) digitalWrite(cooling_system, LOW);
}